Home / 151,548.72-227,388.64-81,346.08

Finding the Fourth Proportional to 151,548.72, 227,388.64 and 81,346.08

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Solution

The fourth proportional to 151,548.72, 227,388.64 and 81,346.08 is: 122,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,548.72 : 227,388.64 = 81,346.08 : x
  2. Step 2: Convert to fraction form
    151,548.72/227,388.64 = 81,346.08/x
  3. Step 3: Cross multiply
    151,548.72x = 227,388.64 × 81,346.08
  4. Step 4: Simplify right side
    151,548.72x = 18,497,174,500.53
  5. Step 5: Solve for x
    x = 18,497,174,500.53/151,548.72
  6. Step 6: Final answer
    x = 122,054.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.